Title

Debugging and trace information used to diagnose the IIS 8.5 website must be disabled. (Cat II impact)

Discussion

Setting compilation debug to false ensures detailed error information does not inadvertently display during live application usage, mitigating the risk of application information being displayed to users.

Check Content

Note: If the ".NET feature" is not installed, this check is Not Applicable. Note: If the server being reviewed is hosting SharePoint, this is Not Applicable. Follow the procedures below for each site hosted on the IIS 8.5 web server: Open the IIS 8.5 Manager. Click the site name under review. Double-click ".NET Compilation". Scroll down to the "Behavior" section and verify the value for "Debug" is set to "False". If the "Debug" value is not set to "False", this is a finding.

Fix Text

Follow the procedures below for each site hosted on the IIS 8.5 web server: Open the IIS 8.5 Manager. Click the site name under review. Double-click ".NET Compilation". Scroll down to the "Behavior" section and set the value for "Debug" to "False".

Additional Identifiers

Rule ID: SV-214473r903097_rule

Vulnerability ID: V-214473

Group Title: SRG-APP-000266-WSR-000160

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.